27.73% is the change from 649 to 829
Calculation steps:
[( 829 - 649 ) ÷ 649] x 100 = 27.73%
Formula
Percentage change = [(829 - 649) / 649] x 100
Subtract the new number by the original number
829 - 649 = 180
180 ÷ 649 = 0.2773497688751926
0.2773497688751926 x 100 = 27.73%